19
Start-up
Checking Procedure
Check the following prior to the
initial operation of the boiler system:
• Take care to observe the operating
instructions supplied by the boiler
manufacturer. The boiler must be
mounted ready for operation.
• Ensure that the heating system is filled
with water to capacity.
• Check the complete system for correct
electrical wiring.
• Check the burner motor for correct
direction of rotation.
• Check for the proper setting of the
temperature and pressure controllers,
limiters, safety switches and electrical
limit switches.
• Bleed the fuel-carrying lines (make
sure they are free of air).
• Check tank, lines and oil pump are fil-
led with oil and correct oil nozzle is fit-
ted.
• Check the oil hydraulic system is free
of leaks.
• Check the exhaust gas ports are ope-
ned and adequate fresh air intake is
ensured.
• With burner in starting position check
that air damper is in „CLOSED“ posi-
tion.
• Check that automatic furnace control-
ler is unlocked and in its original posi-
tion.
Oil start-up
Open all shut-off valves of oil supply
system.
• Set fuel selector switch to its „Oil“ posi-
tion.
• Fill pump with oil.
• Mount pressure gauge in the feed line
and return line.
• Mount the pressure gauge for
checking the pump suction pressure.
Bleeding
Shortly start the burner and check for
proper direction of rotation. Bleed the oil
line and oil pump.
CAUTION:
The hydraulic system has
been filled with test oil by the manufac-
turer. This may cause ignition trouble
when initially operating the system. To
protect the pump, the oil pressure con-
troller is factory-set at zero pressure.
When starting the burner take care to
increase the oil pressure slowly to the
operating level.
Prior to the initial fuel feed start
make a functional test of the burner
program flow:
Oil system:
• Open all shut-off valves of the oil sup-
ply system.
• The oil solenoid valve in the feed line
disconnect on the terminal strip (see
Circuit Diagram).
• Start burner and check program flow
for correct start-up sequence.
1.
Fan starts.
2.
Pre-ventilating damper.
3.
Air pressure check.
4.
Partial-load air damper.
5.
Ignition.
6.
Valves open (disconnected valve
remains closed).
7.
Shut-off upon trouble after expiry
of safety period (see automatic
furnace controller).
• Reconnect the valve.
• Unlock the automatic furnace control-
ler.
